Introduction

This guide will show you how to remove and replace the motherboard in the Microsoft Lumia 640 XL.

  1. Place left palm on screen and right palm on the back. Press down with fingertips and pull to separate the back from the screen. You may hear cracking and popping.
    • Place left palm on screen and right palm on the back.

    • Press down with fingertips and pull to separate the back from the screen.

    • You may hear cracking and popping.

  2. Lift the battery away from the phone with the flat side of a spudger. Be careful not to damage the battery.
    • Lift the battery away from the phone with the flat side of a spudger.

    • Be careful not to damage the battery.

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  4. Remove all ten T3, 4.09 mm screws. Lift mid-frame assembly from phone with flat side of  a spudger. Lift mid-frame assembly from phone with flat side of  a spudger.
    • Remove all ten T3, 4.09 mm screws.

    • Lift mid-frame assembly from phone with flat side of a spudger.

  5. Lift and peel connector away from phone using tweezers. To re-attach you may need E6000 Adhesive Glue. To re-attach you may need E6000 Adhesive Glue.
    • Lift and peel connector away from phone using tweezers.

    • To re-attach you may need E6000 Adhesive Glue.

  6. Remove all three T3, 2.66 mm screws. Remove all three T3, 2.66 mm screws.
    • Remove all three T3, 2.66 mm screws.

  7. Lift off connector with tweezers. Lift motherboard off with tweezers and pull away with fingers. Lift motherboard off with tweezers and pull away with fingers.
    • Lift off connector with tweezers.

    • Lift motherboard off with tweezers and pull away with fingers.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Madelyn Kolterman

Membre depuis le 17/10/2018

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